/* * Copyright (c) 2016, Alliance for Open Media. All rights reserved. * * This source code is subject to the terms of the BSD 2 Clause License and * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License * was not distributed with this source code in the LICENSE file, you can * obtain it at www.aomedia.org/license/software. If the Alliance for Open * Media Patent License 1.0 was not distributed with this source code in the * PATENTS file, you can obtain it at www.aomedia.org/license/patent. */ #ifndef AOM_AV1_COMMON_COMMON_DATA_H_ #define AOM_AV1_COMMON_COMMON_DATA_H_ #include "av1/common/enums.h" #include "aom/aom_integer.h" #include "aom_dsp/aom_dsp_common.h" #ifdef __cplusplus extern "C" { #endif // Log 2 conversion lookup tables in units of mode info (4x4). // The Mi_Width_Log2 table in the spec (Section 9.3. Conversion tables). static const uint8_t mi_size_wide_log2[BLOCK_SIZES_ALL] = …; // The Mi_Height_Log2 table in the spec (Section 9.3. Conversion tables). static const uint8_t mi_size_high_log2[BLOCK_SIZES_ALL] = …; // Width/height lookup tables in units of mode info (4x4). // The Num_4x4_Blocks_Wide table in the spec (Section 9.3. Conversion tables). static const uint8_t mi_size_wide[BLOCK_SIZES_ALL] = …; // The Num_4x4_Blocks_High table in the spec (Section 9.3. Conversion tables). static const uint8_t mi_size_high[BLOCK_SIZES_ALL] = …; // Width/height lookup tables in units of samples. // The Block_Width table in the spec (Section 9.3. Conversion tables). static const uint8_t block_size_wide[BLOCK_SIZES_ALL] = …; // The Block_Height table in the spec (Section 9.3. Conversion tables). static const uint8_t block_size_high[BLOCK_SIZES_ALL] = …; // Maps a block size to a context. // The Size_Group table in the spec (Section 9.3. Conversion tables). // AOMMIN(3, AOMMIN(mi_size_wide_log2(bsize), mi_size_high_log2(bsize))) static const uint8_t size_group_lookup[BLOCK_SIZES_ALL] = …; static const uint8_t num_pels_log2_lookup[BLOCK_SIZES_ALL] = …; // A compressed version of the Partition_Subsize table in the spec (9.3. // Conversion tables), for square block sizes only. /* clang-format off */ static const BLOCK_SIZE subsize_lookup[EXT_PARTITION_TYPES][SQR_BLOCK_SIZES] = …; static const TX_SIZE max_txsize_lookup[BLOCK_SIZES_ALL] = …; static const TX_SIZE max_txsize_rect_lookup[BLOCK_SIZES_ALL] = …; static const TX_TYPE_1D vtx_tab[TX_TYPES] = …; static const TX_TYPE_1D htx_tab[TX_TYPES] = …; #define TXSIZE_CAT_INVALID … /* clang-format on */ static const TX_SIZE sub_tx_size_map[TX_SIZES_ALL] = …; static const TX_SIZE txsize_horz_map[TX_SIZES_ALL] = …; static const TX_SIZE txsize_vert_map[TX_SIZES_ALL] = …; #define TX_SIZE_W_MIN … // Transform block width in pixels static const int tx_size_wide[TX_SIZES_ALL] = …; #define TX_SIZE_H_MIN … // Transform block height in pixels static const int tx_size_high[TX_SIZES_ALL] = …; // Transform block width in unit static const int tx_size_wide_unit[TX_SIZES_ALL] = …; // Transform block height in unit static const int tx_size_high_unit[TX_SIZES_ALL] = …; // Transform block width in log2 static const int tx_size_wide_log2[TX_SIZES_ALL] = …; // Transform block width in log2 unit static const int tx_size_wide_unit_log2[TX_SIZES_ALL] = …; // Transform block height in log2 static const int tx_size_high_log2[TX_SIZES_ALL] = …; // Transform block height in log2 unit static const int tx_size_high_unit_log2[TX_SIZES_ALL] = …; static const int tx_size_2d[TX_SIZES_ALL + 1] = …; static const BLOCK_SIZE txsize_to_bsize[TX_SIZES_ALL] = …; static const TX_SIZE txsize_sqr_map[TX_SIZES_ALL] = …; static const TX_SIZE txsize_sqr_up_map[TX_SIZES_ALL] = …; static const int8_t txsize_log2_minus4[TX_SIZES_ALL] = …; static const TX_SIZE tx_mode_to_biggest_tx_size[TX_MODES] = …; // The Subsampled_Size table in the spec (Section 5.11.38. Get plane residual // size function). extern const BLOCK_SIZE av1_ss_size_lookup[BLOCK_SIZES_ALL][2][2]; // Generates 5 bit field in which each bit set to 1 represents // a blocksize partition 11111 means we split 128x128, 64x64, 32x32, 16x16 // and 8x8. 10000 means we just split the 128x128 to 64x64 /* clang-format off */ static const struct { … } partition_context_lookup[BLOCK_SIZES_ALL] = …; /* clang-format on */ static const int intra_mode_context[INTRA_MODES] = …; // Note: this is also used in unit tests. So whenever one changes the table, // the unit tests need to be changed accordingly. static const int quant_dist_weight[4][2] = …; static const int quant_dist_lookup_table[4][2] = …; #ifdef __cplusplus } // extern "C" #endif #endif // AOM_AV1_COMMON_COMMON_DATA_H_
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